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map_sccp: on timeout during WAIT_CC, send N-DISCONNECT to SCCP-SCOC 

When waiting for CC expires, we should tell the SCCP-SCOC that we've
stopped waiting: send N-DISCONNECT, instead of nothing.

Change-Id: Ie94fcee4e2507a55449050aab96307199aed99a2
This commit is contained in:
Neels Hofmeyr 2023-03-24 03:31:10 +01:00
parent c6cef24546
commit 9425640d7f
1 changed files with 4 additions and 2 deletions
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6
src/osmo-hnbgw/context_map_sccp.c
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@ -442,11 +442,13 @@ static int map_sccp_fsm_timer_cb(struct osmo_fsm_inst *fi)
/* Return 1 to terminate FSM instance, 0 to keep running */
switch (fi->state) {
case MAP_SCCP_ST_INIT:
case MAP_SCCP_ST_WAIT_CC:
/* cannot sent SCCP RLSD, because the other side hasn't responded with the remote reference. */
/* cannot sent SCCP RLSD, because we haven't set up an SCCP link */
map_sccp_fsm_state_chg(MAP_SCCP_ST_DISCONNECTED);
return 0;
case MAP_SCCP_ST_WAIT_CC:
/* send N-DISCONNECT. libosmo-sigtran/sccp_scoc.c will do the SCCP connection cleanup, like waiting a
* bit whether the SCCP CC might still arrive, and cleanup the conn if not. */
case MAP_SCCP_ST_CONNECTED:
case MAP_SCCP_ST_WAIT_RLSD:
/* send SCCP RLSD. libosmo-sigtran/sccp_scoc.c will do the SCCP connection cleanup.